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Finding the Fourth Proportional to 633,764.52, 950,645.76 and 213,335.64

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Solution

The fourth proportional to 633,764.52, 950,645.76 and 213,335.64 is: 320,003.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,764.52 : 950,645.76 = 213,335.64 : x
  2. Step 2: Convert to fraction form
    633,764.52/950,645.76 = 213,335.64/x
  3. Step 3: Cross multiply
    633,764.52x = 950,645.76 × 213,335.64
  4. Step 4: Simplify right side
    633,764.52x = 202,806,621,622.89
  5. Step 5: Solve for x
    x = 202,806,621,622.89/633,764.52
  6. Step 6: Final answer
    x = 320,003.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.